+++ /dev/null
-/* PPPoE support library "libpppoe"
- *
- * Copyright 2000 Michal Ostrowski <mostrows@styx.uwaterloo.ca>,
- * Jamal Hadi Salim <hadi@cyberus.ca>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
-
-#ifndef PPPOE_H
-#define PPPOE_H 1
-#include <stdio.h> /* stdio */
-#include <stdlib.h> /* strtoul(), realloc() */
-#include <unistd.h> /* STDIN_FILENO,exec */
-#include <string.h> /* memcpy() */
-#include <errno.h> /* errno */
-#include <signal.h>
-#include <getopt.h>
-#include <stdarg.h>
-#include <syslog.h>
-#include <paths.h>
-
-#include <sys/types.h> /* socket types */
-#include <asm/types.h>
-#include <sys/time.h>
-#include <sys/wait.h>
-#include <sys/fcntl.h>
-#include <sys/ioctl.h> /* ioctl() */
-#include <sys/select.h>
-#include <sys/socket.h> /* socket() */
-#include <net/if.h> /* ifreq struct */
-#include <net/if_arp.h>
-#include <netinet/in.h>
-
-#if __GLIBC__ >= 2 && __GLIBC_MINOR >= 1
-#include <netpacket/packet.h>
-//#include <net/ethernet.h>
-#else
-#include <asm/types.h>
-#include <linux/if_packet.h>
-#include <linux/if_ether.h>
-#endif
-
-
-#include <asm/byteorder.h>
-
-/*
- jamal: we really have to change this
- to make it compatible to the 2.2 and
- 2.3 kernel
-*/
-
-#include <linux/if_pppox.h>
-
-
-#define CONNECTED 1
-#define DISCONNECTED 0
-
-#ifndef _PATH_PPPD
-#define _PATH_PPPD "/usr/sbin/pppd"
-#endif
-
-#ifndef LOG_PPPOE
-#define LOG_PPPOE LOG_DAEMON
-#endif
-
-
-#define VERSION_MAJOR 0
-#define VERSION_MINOR 4
-#define VERSION_DATE 991120
-
-/* Bigger than the biggest ethernet packet we'll ever see, in bytes */
-#define MAX_PACKET 2000
-
-/* references: RFC 2516 */
-/* ETHER_TYPE fields for PPPoE */
-
-#define ETH_P_PPPOE_DISC 0x8863 /* discovery stage */
-#define ETH_P_PPPOE_SESS 0x8864
-
-/* ethernet broadcast address */
-#define MAC_BCAST_ADDR "\xff\xff\xff\xff\xff\xff"
-
-/* Format for parsing long device-name */
-#define _STR(x) #x
-#define FMTSTRING(size) "%x:%x:%x:%x:%x:%x/%x/%" _STR(size) "s"
-
-/* maximum payload length */
-#define MAX_PAYLOAD 1484
-
-
-
-/* PPPoE tag types */
-#define MAX_TAGS 11
-
-
-/* PPPoE packet; includes Ethernet headers and such */
-struct pppoe_packet{
- struct sockaddr_ll addr;
- struct pppoe_tag *tags[MAX_TAGS];
- struct pppoe_hdr *hdr;
- char buf[MAX_PAYLOAD]; /* buffer in which tags are held */
-};
-/* Defines meaning of each "tags" element */
-
-#define TAG_SRV_NAME 0
-#define TAG_AC_NAME 1
-#define TAG_HOST_UNIQ 2
-#define TAG_AC_COOKIE 3
-#define TAG_VENDOR 4
-#define TAG_RELAY_SID 5
-#define TAG_SRV_ERR 6
-#define TAG_SYS_ERR 7
-#define TAG_GEN_ERR 8
-#define TAG_EOL 9
-
-static int tag_map[] = { PTT_SRV_NAME,
- PTT_AC_NAME,
- PTT_HOST_UNIQ,
- PTT_AC_COOKIE,
- PTT_VENDOR,
- PTT_RELAY_SID,
- PTT_SRV_ERR,
- PTT_SYS_ERR,
- PTT_GEN_ERR,
- PTT_EOL
-};
-
-
-/* Debug flags */
-int DEB_DISC,DEB_DISC2;
-/*
- #define DEB_DISC (opt_debug & 0x0002)
- #define DEB_DISC2 (opt_debug & 0x0004)
-*/
-#define MAX_FNAME 256
-
-
-struct session;
-
-/* return <0 --> fatal error; abor
- return =0 --> ok, proceed
- return >0 --> ok, qui
-*/
-typedef int (*packet_cb_t)(struct session* ses,
- struct pppoe_packet *p_in,
- struct pppoe_packet **p_out);
-
-/* various override filter tags */
-struct filter {
- struct pppoe_tag *stag; /* service name tag override */
- struct pppoe_tag *ntag; /*AC name override */
- struct pppoe_tag *htag; /* hostuniq override */
- int num_restart;
- int peermode;
- char *fname;
- char *pppd;
-} __attribute__ ((packed));
-
-
-struct pppoe_tag *make_filter_tag(short type, short length, char* data);
-
-/* Session type definitions */
-#define SESSION_CLIENT 0
-#define SESSION_SERVER 1
-#define SESSION_RELAY 2
-
-struct session {
-
- /* Administrative */
- int type;
- int opt_debug;
- int detached;
- int np;
- int log_to_fd;
- int ifindex; /* index of device */
- char name[IFNAMSIZ]; /*dev name */
- struct pppoe_packet curr_pkt;
-
- packet_cb_t init_disc;
- packet_cb_t rcv_pado;
- packet_cb_t rcv_padi;
- packet_cb_t rcv_pads;
- packet_cb_t rcv_padr;
- packet_cb_t rcv_padt;
- packet_cb_t timeout;
-
-
- /* Generic */
- struct filter *filt;
- struct sockaddr_ll local;
- struct sockaddr_ll remote;
- struct sockaddr_pppox sp;
- int fd; /* fd of PPPoE socket */
-
-
- /* For client */
- int retransmits; /* Number of retransmission performed
- if < 0 , retransmissions disabled */
- int retries;
- int state;
- int opt_daemonize;
-
- /* For server */
- int fork;
-
- /* For forwarding */
- int fwd_sock;
- char fwd_name[IFNAMSIZ]; /* Name of device to forward to */
-} __attribute__ ((packed));
-
-/*
- retransmit retries for the PADR and PADI packets
- during discovery
-*/
-int PADR_ret;
-int PADI_ret;
-
-int log_to_fd;
-int ctrl_fd;
-int opt_debug;
-int opt_daemonize;
-
-
-/* Structure for keeping track of connection relays */
-struct pppoe_con{
- struct pppoe_con *next;
- int id;
- int connected;
- int cl_sock;
- int sv_sock;
- int ref_count;
- char client[ETH_ALEN];
- char server[ETH_ALEN];
- char key_len;
- char key[32];
-};
-
-/* Functions exported from utils.c. */
-
-/* Functions exported from pppoehash.c */
-struct pppoe_con *get_con(int len, char *key);
-int store_con(struct pppoe_con *pc);
-struct pppoe_con *delete_con(unsigned long len, char *key);
-
-/* exported by lib.c */
-
-extern int init_lib();
-
-extern int get_sockaddr_ll(const char *devnam,struct sockaddr_ll* sll);
-
-extern int client_init_ses (struct session *ses, char* devnam);
-extern int relay_init_ses(struct session *ses, char* from, char* to);
-extern int srv_init_ses(struct session *ses, char* from);
-extern int session_connect(struct session *ses);
-extern int session_disconnect(struct session*ses);
-
-extern int verify_packet( struct session *ses, struct pppoe_packet *p);
-
-extern void copy_tag(struct pppoe_packet *dest, struct pppoe_tag *pt);
-extern struct pppoe_tag *get_tag(struct pppoe_hdr *ph, u_int16_t idx);
-extern int send_disc(struct session *ses, struct pppoe_packet *p);
-
-
-extern int add_client(char *addr);
-
-/* Make connections (including spawning pppd) as server/client */
-extern ppp_connect(struct session *ses);
-
-
-#endif
projects / ppp.git / blobdiff